RFR: 6980847: (fs) Files.copy needs to be tuned [v6]

[Brian Burkhalter]

On Fri, 17 Jun 2022 16:05:49 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Brian Burkhalter has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - 6980847: Convert to fallback to copy0() method
>>  - 6980847: work in progress
>
> src/java.base/unix/native/libnio/fs/UnixCopyFile.c line 141:
> 
>> 139:         RESTARTABLE(sendfile64(dst, src, NULL, count), bytes_sent);
>> 140:         if (bytes_sent < 0) {
>> 141:             if (errno == EINTR) {
> 
> As the `RESTARTABLE` macro is used, checking for `errno == EINTR` can go away.

Fixed in 04d7502280df1dd0c2dccf34cc93450d86458e81.

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PR: https://git.openjdk.org/jdk/pull/9161